std::ranges::greater_equal - cppreference.com (original) (raw)

| | | | | ---------------------- | | ------------- | | struct greater_equal; | | (since C++20) |

Function object for performing comparisons. Deduces the parameter types of the function call operator from the arguments (but not the return type).

Contents

[edit] Nested types

[edit] Member functions

| | checks if the first argument is greater than or equal to the second (public member function) | | --------------------------------------------------------------------------------------------------- |

[edit] Notes

Unlike std::greater_equal, std::ranges::greater_equal requires all six comparison operators <, <=, >, >=, == and != to be valid (via the totally_ordered_with constraint) and is entirely defined in terms of std::ranges::less.

[edit] Example

[edit] Defect reports

The following behavior-changing defect reports were applied retroactively to previously published C++ standards.

DR Applied to Behavior as published Correct behavior
LWG 3530 C++20 syntactic checks were relaxed while comparing pointers only semantic requirements are relaxed

[edit] See also